We check Linear's developer changelog every day, because we run production integrations on the Linear API. This page lists the 170 changes we have recorded since monitoring started on 28 March 2026, newest first.
3 breaking changes and 0 deprecations in the Linear API in the last 90 days. The latest: “Removed emoji support in labels” (3 September 2026).
Labels are assigned automatically. Check the vendor's note before planning work around an entry.
New callout components with customizable colors, icons, and emojis can be used in issue and project descriptions and documents, with automatic conversion to GitHub callouts in PRs.
Loops now respond to more workspace activity including initiatives, projects, and cycles changes; can edit Linear documents and post updates to Slack.
MCP's list_teams and get_team endpoints now report each team's visibility and retiredAt fields.
New outbound IPs for webhooks will go live in the next few weeks with updated documentation.
startMode field added to SLA configuration: New startMode field and SLAStartMode enum added to SLA configuration responses for API consumers.
Outbound IP addresses published: Linear now publishes outbound IP addresses at a .well-known endpoint for firewall and security configuration.
Document creation and editing now available on iOS and Android mobile apps.
New project composer allows developing project ideas with Linear Agent before creating live projects, with automatic saving and context pulling.
New Priority tab in inbox separates notifications that need attention from those that can wait, with customizable sources and filters.
Labels can no longer contain emojis.
Images, fonts, Markdown, and PDFs now render directly inside Linear diffs; symlinks now supported.
Admins on paid Linear plans can now review and approve third-party apps before installation.
environments, browser use, and updated pricing: Coding sessions now support configurable environments, browser testing, and transparent pricing model with model usage charged at provider rates and sandbox runtime at $0.25 per 20-minute block.
Coding sessions now support configurable environments with pinned runtime versions, setup scripts, and environment variables for Python, Ruby, Go, and more.
subscribers field on Document: New subscribers field added to Document entity in GraphQL API.
subscription for user settings updates: New GraphQL subscription added to track user settings updates.
Linear's MCP now supports managing employee access through Okta-managed identity for Enterprise workspaces.
Teams can now be assigned to lead initiatives, and private team-led initiatives are only visible to team members.
Teams can now be assigned to lead initiatives, with support for private team-led initiatives visible only to team members.
bodyData field in pull request comments: New bodyData field added to GraphQL pull request comments.
CycleCreate and CycleUpdate validation: CycleCreate and CycleUpdate now prevent overlapping schedules and validate neighboring cycles using dates.
GitHub Copilot users can now assign issues directly to Copilot's cloud agent from Linear for automated work.
Can now assign reviews to GitHub teams with dedicated section in Reviews inbox.
Guided Reviews now generally available for larger pull requests with bigger context window and better latency on Business and Enterprise plans.
Coding sessions now support SSH and GPG signed commits; admins can require signing key uploads.
bodyData in pull request comments: Added `bodyData` field to GraphQL pull request comments.
CycleCreate and CycleUpdate validation: `CycleCreate` and `CycleUpdate` now prevent overlapping schedules and validate neighboring cycles using their dates.
Issue sidebar now integrates properties with main content and pins Diffs to the top.
Documents and project descriptions can now be edited with Linear Agent; author name indicators show if text was written by colleague or loop.
Resolved thread handling: Email intake threads and synced comment threads can now be resolved/unresolved, with replies reopening resolved threads.
New feature allowing Linear Agent to take on recurring work at team/workspace level, triggered by schedule or events, using AI credits (Business/Enterprise plans with promotional credits).
Issue description comments on iOS: Added inline issue description comments on iOS with highlights and tap-to-scroll functionality.
Linear Agent can now manage workspace inbox notifications as part of its capabilities.
New Loops feature for recurring agent workflows triggered on schedule or events; available on Business and Enterprise plans with AI credits.
Loops now support sending user notifications as part of their automated workflows.
Improved MCP attachment uploads to accept base64 payloads with whitespace or data: URL prefixes.
URL field in webhook payloads: Data-change webhook remove action payloads now include top-level URL field when entity URL is available.
Source URL support in save_customer_need: Added source URL support to the `save_customer_need` MCP tool.
External-user actor variant in webhooks: Webhook actor union now includes external-user actor variant for data-change and entity webhooks.
Enterprise-Managed Authorization enables Okta administrators to centrally manage access to Linear MCP servers.
Added new initiative properties including Proposed/Canceled statuses, Priority, and Labels for better initiative management and filtering.
Added proposed/canceled statuses, priority, and labels to initiatives for better roadmap management.
Release management: Added support for managing releases, release notes, and release issue associations through MCP server.
Can now share any filtered view by copying URL or using keyboard shortcut.
Added external-user actor variant to webhook actor union.
Click Write with Agent to automatically generate project/initiative updates by reviewing recent changes and Slack messages.
templateCreate and templateUpdate validation: `templateCreate` and `templateUpdate` now reject unsupported form field payloads, requiring validation of template configurations.
Template validation: `templateCreate` and `templateUpdate` now reject unsupported form field payloads.
Vercel Eve framework allows building custom agents that can be deployed and connected to Linear.
Desktop tabs now have individual history stacks; pinned tabs persist after app restart and aren't replaced by new content.
Source URL support for save_customer_need tool: The save_customer_need MCP tool now supports source URL configuration.
OAuth application manifests enable one-click OAuth app setup through URL parameters or JSON configuration.
Sub-teams can now be private with two access options: restricted to parent team members or private to team members only.
Release pipelines now support changelogs with auto-generation option to keep release notes aggregated.
Build custom agents using Vercel Eve open-source framework and deploy via Vercel or self-host.
Linear Agent can automatically investigate incoming issues and attempt fixes through agent automation before reaching engineers.
Linear Agent can now write code using Claude Code and Codex, with cloud-based coding sessions and diff review capabilities.
Linear Agent can now write code using Claude Code and Codex, with cloud-based sessions and diff review workflow.
MCP server now supports listing and creating documents under teams.
MCP list_comments endpoint now returns comments on archived issues.
Teams can now have multi-level hierarchies with nested sub-teams for more complex organizational structures.
Users can now comment directly on specific text or images in issue descriptions with anchor points.
Documents management under teams: MCP server now supports listing and creating documents under a team context.
Skills can now be shared with teams, allowing personal workflows to become standardized team processes.
Every team now has a dedicated page for organizing team-level context including documents, notes, and shared references.
Every team now has a dedicated documents page for organizing shared notes, docs, and references with support for sections and pinning.
Added beta feature for efficient large PR review with AI-generated explanations separating core changes from glue code.
Native code review capability allowing users to review diffs from Linear with synchronized review state back to GitHub.
Released native code review feature for Linear with guided reviews (beta), review inbox, and real-time diff updates with agent changes.
Diffs file actions now include the ability to copy a link to a specific file.
Customers on legacy plans can now access and use the Linear Diffs feature.
Guided reviews present core changes first with explanations, separating glue code to help reviewers focus on important changes.
Native code review in Linear: Linear now includes native code review with responsive diff viewing, split/unified modes, and real-time agent code updates.
Diffs now includes a 'Missing issue' PR filter to show pull requests without a linked Linear issue.
Diffs now provides a file action to open the full file in GitHub from the review interface.
Users can now paste a GitHub pull request link into the command menu to open it in Linear.
Review notifications now appear in the main inbox, with a dedicated Reviews tab in the sidebar for managing all review work.
Team.visibility field added: New Team.visibility field added to GraphQL API; Team.private is now deprecated.
OAuth token migration endpoint deprecated: Returns 410 Gone from /oauth/migrate_old_token; old OAuth token migration is no longer supported.
AgentSkill GraphQL types: Added parallel AgentSkill GraphQL query and mutation types alongside deprecated AiPrompt roots for skill migration.
Team.visibility field added: Added Team.visibility field and deprecated Team.private field.
Added support for GitHub Enterprise Cloud with PR linking, issue sync, and code review capabilities.
Duplicate issues now use dedicated status type with automatic context moving (customer requests, Slack threads, attachments) to original issue.
New Slack agent allowing anyone to file requests by mentioning @Linear Asks, with template matching and required field collection.
Linear can now automatically create and manage Slack channels for new projects with automatic member management.
Added ability to reorder groups (status, priority, labels) in list and board views via display options.
Project slackChannelId and microsoftTeamsChannelId fields: GraphQL API adds slackChannelId and microsoftTeamsChannelId fields on Project to return connected chat channel IDs.
Release backdating support: Release inputs now accept createdAt, startedAt, and completedAt fields to support backdating releases.
SCIM user groups always populated: SCIM user payloads now always populate user groups, changing from previously inconsistent behavior.
Linear Agent can now access codebase via Code Intelligence to reason about implementations and answer technical questions.
Linear Agent now has controlled access to codebases via Code Intelligence, available in public beta for Business/Enterprise plans.
Label parameter handling changes: save_project no longer accepts issue-level label IDs and label arrays sent as JSON strings are parsed instead of being silently dropped.
MCP unknown tool parameters now return validation error instead of being silently dropped.
Spelling consistency fix: Fixed inconsistent `cancelled` vs `canceled` spelling in integration field descriptions.
Linear Agent now supports creating and editing issue drafts.
Integration-aware attachment links: Links added through save_issue now use integration-aware attachmentLinkURL path, so URLs matching configured integrations create rich attachments and trigger two-way sync.
Issues with 0-point estimates or 'No priority' no longer serialize as undefined, allowing consumers to distinguish explicit zero from unset values.
MCP server: URLs added through save_issue now go through integration-aware attachment path for rich attachments and two-way sync instead of plain URLs.
Slack integration now automatically creates connected channels for new projects and adds project members to those channels.
Linear Releases enables planning and tracking software releases with CI/CD integration, automatic status updates, and release notes generation.
Linear Releases integrates with CI/CD tools to track deployment environment, version, and status of every issue with automatic status updates and AI-generated release notes.
Webhook retry for agent delegation: Agent delegation webhooks are now retried after an initial failed delivery.
Team owners can now configure who can share issues with non-members; sub-issues no longer inherit parent issue's share state.
Linear Agent can now connect to tools via MCP servers like Granola, Glean, Notion, PostHog to access external data and actions.
New capability to select text anywhere in Linear and press ⌘J to send it directly to the agent as context.
Fixed documentUpdate mutation failing when called with a URL-style document identifier instead of a UUID.
New support for custom coding tool integrations allowing users to configure tools not supported out-of-the-box via URL parameters or local commands.
New Microsoft Teams integration allowing users to mention @Linear to create issues, get information from Linear, and receive project update notifications in Teams.
Fixed issue where MCP OAuth connections could disconnect after approximately 1 day.
New feature allowing syncing of multiple Slack threads to a single Linear issue for multiple reports/requests of same issue.
Fixed workflow state position collisions: Fixed bug where workflow state positions were being unexpectedly reordered when resolving position collisions.
Issues created through MCP without a stateId now default to team's default state even when triage is enabled, if user is team member.
New feature allowing teams to nest up to five levels deep (divisions, departments, groups, squads) with inherited workflows and settings.
New feature adding comment support to project and initiative activity feeds for high-level discussion.
Linear Agent no longer asks for confirmation on routine bulk updates of up to 5 issues.
My Issues, Inbox, Reviews, Pulse, and team views can now be included as context for Linear Agent.
Linear Agent now has the ability to delete customers.
Issue parentId filter for subscriptions: Added parentId filter to issue GraphQL subscriptions.
Issues default state handling: Issues created through MCP without stateId now default to team's default state even when triage is enabled.
Removed issue relationships support: Added support for removing issue relationships through MCP server tools.
New feature allowing teams to create dedicated web forms for capturing requests (feature requests, bug reports, etc.) powered by issue templates.
Template description validation: Added validation of template `descriptionData` against ProseMirror schema to reject invalid node types.
Announced upcoming Code Intelligence capability extending Linear Agent's understanding to codebases for code-aware tasks.
GraphQL subscriptions are now available for use with the Linear API.
Linear Agent is a new AI-powered assistant built into Linear that understands your roadmap, issues, and code to help synthesize context and take action.
Improved initiatives to return and accept multiple parent initiatives instead of a single parent in MCP server.
Added cursor-based pagination support to the list_comments MCP tool with limit and orderBy parameters.
Users can save reusable Linear Agent workflows as skills and trigger agent workflows automatically when issues enter triage.
New Team.parent field added to the public GraphQL API for querying parent team relationships.
Support expanded for opening issues in additional AI coding tools including Amp, Codex CLI, Devin, Factory, Lovable, Netlify Agent Runners, Warp, and Windsurf.
Issues created through the API without stateId now default to team default state even when triage is enabled, if user is team member.
Previously uploaded file links now correctly render in the editor when used in mutations instead of appearing as plain links.
Linear mobile app now supports viewing real-time reasoning and past sessions from coding agents.
Sub-initiatives can now belong to multiple parent initiatives, allowing flexible goal hierarchy representation.
Added preference to choose between sending comments with Enter key or Cmd/Ctrl+Enter.
Comprehensive visual refresh of Linear's interface with consistent headers, navigation, resized icons, and dimmer sidebars.
Markdown file links rendering: Previously uploaded file links now render correctly in the editor when used in mutations instead of appearing as plain links.
Users can customize prompt templates for how coding agents should approach issues using variables like {{issue.identifier}} and {{context}}.
Users can now launch preferred coding tools directly from Linear issues with prefilled prompts containing issue context, including customizable prompt templates.
Default template statuses are now respected when creating issues, fixing inconsistencies in state assignment.
Added diffMarkdown field to project and initiative update webhook payloads providing formatted summary of changes.
New integration enabling creation and updates of Linear issues and projects using Notion's Custom Agents.
Combined create_issue and update_issue MCP tools into a single save_issue tool, breaking change for existing MCP implementations.
Project webhooks now trigger on milestone and relation changes in addition to existing events.
Users can now combine multiple AND/OR conditions in filters to refine searches, views, and dashboards, with AI filter capability for natural language queries.
Projects and initiatives can now be created directly on Linear's Android and iOS mobile apps.
The deprecated CustomerNeed.url field has been removed; use attachmentUrl field instead.
Gemini Enterprise users can now create issues from Gemini and access data from existing issues and projects.
Added project resources to MCP responses and ability to list project members.
Individual issues from private teams can now be shared with specific users outside the team without granting full team access (Enterprise only).
Videos from YouTube and Loom are now automatically converted to embeds when added as  in Markdown.
OAuth app agents delegation behavior: OAuth app agents no longer automatically become the delegated agent when updating an issue's status to Started or Done.
IssueHistory resolvers expansion: Added IssueHistory resolvers for project milestones, SLA changes, and triage responsibility teams.
SSE transport has been deprecated in favor of HTTP streams; endpoint moving from https://mcp.linear.app/sse to https://mcp.linear.app/mcp with gradual rollout of deprecation errors over two months.
MCP server expanded with support for initiatives, project milestones, updates, and improved performance with better tool documentation and URL resource loading.
The create_issue and update_issue MCP tools have been combined into a single save_issue tool.
Added ability to list project members and access project resources in MCP responses.
Projects can now be looked up by slug in MCP responses.
Issue lists can now show sub-issues as a nested hierarchy as a display option.
Added ability to retire teams making them read-only and hidden from sidebar while preserving history.
Added bi-directional syncing between Jira Epics and Linear projects for status, target date, and description.
In update_issue and update_project MCP tools, assignee, delegate, and lead can now be set to null to remove them.
Added time in status tracking available as display option in views and as measure in Insights.
The AgentSession.type field in the API is now deprecated and will be removed in the future.
Added ability to customize bottom toolbar on mobile app and pin projects, initiatives, and documents.
Made Linear Agent for Slack available on every plan including Basic and Free.
Announced Linear Code Reviews now in private beta, bringing code reviews directly into Linear with support for PR workflows and agent output.
Added RFC 7009-compliant token and token_type_hint parameters to /oauth/revoke endpoint; existing access_token and refresh_token parameters are deprecated but remain functional.
Redesigned timing charts in Insights and Dashboards with logarithmic scale, percentile metrics by slice, and removed issue limits.
New team owner role with team-level permissions for managing settings, labels, templates, and membership (Business and Enterprise plans).
We watch Linear because we run integrations on it. If one of yours depends on Linear, we can take it over: build it properly, operate it, and fix it when Linear changes, before your data is affected. Fixed-price scoping quote within 48 hours.